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ST. CATHARINES AIRPORT, ONTARIO


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Elevation: 321 feet     Latitude: 43 12N     Longitude: 79 10W

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MONTHLY - WEATHER AVERAGES SUMMARY   [ Show All Data ]
[ °C ]   °F
Average Temperature
Years on Record: 20  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F48.225.126.83445.256.666.171.469.461.950.640.330.5

Average High Temperature
Years on Record: 20  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F56.431.533.741.954.4677680.978.570.959.147.136.5

Average Low Temperature
Years on Record: 20  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F39.818.719.926.13646.256.261.860.252.942.133.524.4

Average Precipitation
Years on Record: 20  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in34.62.62.22.4333.43.12.83.62.63.22.8

Average Number of Days With Precipitation
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days15116.61413.513.611.510.89.29.810.91213.815.4

Highest Recorded Temperature
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F99.365.366.980.186.590.39599.396.191.9847271.4

Lowest Recorded Temperature
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
F-14.3-10.8-14.3-615.628.935.146.436.732.72312.9-8.5

Average Length of Day
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Hours12.81011.112.51415.315.915.614.412.911.510.29.6

Average Number of Days Above 90F/32C
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days13.7------------0.62.56.63.30.7---------

Average Number of Days Below 32F/0C
Years on Record: 20  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days127.227.824.823.19.40.1------------2.914.125.1

Average Snowfall
Years on Record: 20  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
in5415.211.59.12.30.2---------------3.811.9

Average Number of Rainy Days
Years on Record: 20  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days1175.85.88.412.411.5119.89.710.911.812.18.1

Average Number of Days With Snow
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
Days44.612.610.16.32.5---------------0.13.29.8

Average Morning Relative Humidity
Years on Record: 14  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
%83.681.779.481.480.783.384.586.288.988.285.281.882

Average Evening Relative Humidity
Years on Record: 29  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
%63.17367.762.957.655.958.157.55960.564.569.171.9

Average Wind Speed
Years on Record: 15  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC 
mph9.812.511.611.210.698.47.87.489.11111.3







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